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General

Industrial Water Treatment

Introduction

“Today, one major concern of the industrial water and waste water industry is how to deal economically with the stringent environmental laws.“ Industries such as steel, surface treatment and electronics, generate two kinds of waste water; diluted rinse water and strong concentrates, such as dumped solutions from degreasing, pickling and plating. As is well known, corrosive solutions are also released from ion exchangers, for example. These effluents — if not treated correctly — contain corrosive and toxic substances which can ultimately become concentrate in the food chain. In addition, corrosive agents can cause severe problems in sewer piping.

Toxic substances, especially some heavy metals, can completely prevent the operation of biological purification plants or can have permanent negative effects on natural waters. If not removed, even moderate amounts of heavy metals cause serious problems in communal waste water by accumulating in sewage sludge, thus preventing it from being used properly. To our knowledge no commercial equipment is available to separate heavy metals from biological sludge economically.

Generally, great efforts are being made to minimize the amount of harmful compounds in effluents by using: (1) environment-friendly production processes that produce little or no waste; (2) local re-processors; and, (3) neutralization plants with appropriate processes.

Today, Finland is primarily known for its hi-tech products such as Nokia’s cellular phones, and secondly for its lakes and clean nature. Our hope is to keep it that way by being mindful of environmental regulations, with the final goal being to use production methods that minimize the impurity strain on the environment.

 
 
 
 
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